function BaseClass(sColor) {
this.color = sColor;
this.sayColor = function () {
alert(this.color);
};
}
function SubClass(sColor, sName) {
BaseClass.apply(this, new Array(sColor));
this.name = sName;
this.sayName = function () {
alert(this.name);
};
}
var objA = new BaseClass("red");
var objB = new SubClass("blue", "MyName");
objA.sayColor();
objB.sayColor();
objB.sayName();